Describe a method to make pure, dry crystals of magnesium sulfate from a metal oxide
and a dilute acid

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas

The molar mass of iron(fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?